Here is the full list of all 30 The Deer God achievements.
Hatch 3 falcons.
Eat 25 mushrooms.
Use 3 items at the same time.
Raise 5 babies.
Kill 10 deer.
Eat 100 plants in one game.
Ride a train.
Beat all bosses.
Ride a tortoise through spikes.
Finish the game with all achievements.
Survive for 50 days.
Run for 50,000 meters.
Acquire all powers.
Get full light karma bar.
Kill the eagle.
Find 10 treasure boxes.
Find 10 turnips.
Become an adult.
Kill 10 cows.
Get full dark karma bar.
Collect 25 eggs.
Kill 5 foxes with fire.
Freeze 5 hunters.
Find 10 deer heads.
Collect all relics.
Collect 10 skunk cabbages.
Don't kill any creatures for 15 days.
Become 3 different animals.
Finished the game and became a human.
Finished the game and became an Elder.